Pardoning mercy is God’s free, gracious acceptance of a sinner upon satisfaction made to his justice in the blood of Jesus; nor is any discovery of it, but as relating to the satisfaction of justice, consistent with the glory of God. It is a mercy of inconceivable condescension in forgiveness, tempered with exact justice and severity. Romans 3:25, God is said “to set forth Christ to be a propitiation through faith in his blood, to declare his righteousness in the remission of sins;” ‘his righteousness is also manifested in the business of forgiveness of sins: and therefore it is everywhere said to be wholly in Christ, Eph. 1:7. So that this gospel grace and pardoning mercy is alone purchased by him, and revealed in him. And this was the main end of all typical institutions,—to manifest that remission and forgiveness is wholly wrapped up in the Lord Christ, and that out of him there is not the least conjecture to be made of it, nor the least morsel to be tasted.
– John Owen –
from Of Communion With God, volume 2 of Works, pages 82-83